Steelers Nation's outpost in Seattle has been visiting Fadó Irish Pub in Pioneer Square since the start of the 2008 season. Going back to the start of that season, here's what the turnout has looked like for each game there:
All data is courtesy of Meetup. Actual attendance is higher because RSVPs are not required for attending games at Fadó. Use the pages control in the upper-right corner to switch between seasons. Use the full-screen button in the lower-right corner for a more spacious view.